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This Bone-Crunching Octopus Was Nearly the Size of a Semitruck and May Have Feasted on Giant Reptiles 100 Million Years Ago
根据对颌骨化石的分析,这种大型无脊椎动物可能是顶级掠食者。这项工作表明,古代海洋并不像以前认为的那样完全由长有脊柱的生物统治